citation-style-language/styles — pull request #1289 by dittaeva (2014-12-19 13:25:59+00:00)
Title: Internationalise "accessed" in american-sociological-association.csl

This has worked for me in Norwegian, but I haven't tried it in US English. I believe I got the code from the latest Chicago Manual of Style which ASA is based on, so it should really work fine.